Anagymnotoceras
dulanense
Wang & C. Chen, 1979 †
(FOSSIL)

Anagymnotoceras
favretense
Bucher, 1992 †
(FOSSIL)

Anagymnotoceras
ino
McLearn, 1948 †
(FOSSIL)

Anagymnotoceras
tozeri
McLearn, 1969 †
(FOSSIL)

Anagymnotoceras
variabilis
Bucher, 1992 †
(FOSSIL)

Anagymnotoceras
varium
McLearn, 1948 †
(FOSSIL)

Anagymnotoceras
wrighti
McLearn, 1946 †
(FOSSIL)

Arctogymnites
sonini
(A.M. Popov, 1961 †)
(FOSSIL)

Arctogymnites
spektori
Archipov, 1974 †
(FOSSIL)

Beyrichites
beneckei
(Mojsisovics, 1882 †)
(FOSSIL)

Beyrichites
laurae
Renz & Renz, 1948 †
(FOSSIL)

Beyrichites
yuati
Skwarko, 1973 †
(FOSSIL)

Beyrichites
falciformis
Smith, 1914 †
(FOSSIL)

Beyrichites
tenuis
Smith, 1914 †
(FOSSIL)

Beyrichites
fritschi
F. Toula, 1896 †
(FOSSIL)

Beyrichites
osmonti
Smith, 1914 †
(FOSSIL)

Beyrichites
deleeni
McLearn, 1946 †
(FOSSIL)

Billingsites
escargueli
Monnet & Bucher, 2005 †
(FOSSIL)

Billingsites
anticostiensis
(Billings, 1866 †)
(FOSSIL)

Billingsites
canadensis
(Billings, 1857 †)
(FOSSIL)

Billingsites
deformis
(K.E.I. von Eichwald, 1860 †)
(FOSSIL)

Billingsites
manitoulinense
(Foerste, 1924 †)
(FOSSIL)

Billingsites
troedssoni
Foerste, 1929 †
(FOSSIL)

Billingsites
species
†
(FOSSIL)

Ceratites
congressensis
Bucher, 1992 †
(FOSSIL)

Ceratites
dieneri
Tozer, 1994 †
(FOSSIL)

Ceratites
humi
(McLearn, 1969 †)
(FOSSIL)

Ceratites
liardensis
Tozer, 1994 †
(FOSSIL)

Ceratites
minor
Tozer, 1994 †
(FOSSIL)

Ceratites
pelletieri
(McLearn, 1969 †)
(FOSSIL)

Ceratites
silberlingi
Bucher, 1992 †
(FOSSIL)

Ceratites
spivaki
(McLearn, 1946 †)
(FOSSIL)

Ceratites
visvakarma
(Diener, 1913 †)
(FOSSIL)

Ceratites
voiti
(Oppel, 1863 †)
(FOSSIL)

Ceratites
vyasa
(Diener, 1897 †)
(FOSSIL)

Ceratites
congressensis
Bucher, 1992 †
(FOSSIL)

Ceratites
dieneri
Tozer, 1994 †
(FOSSIL)

Ceratites
humi
(McLearn, 1969 †)
(FOSSIL)

Ceratites
liardensis
Tozer, 1994 †
(FOSSIL)

Ceratites
minor
Tozer, 1994 †
(FOSSIL)

Ceratites
pelletieri
(McLearn, 1969 †)
(FOSSIL)

Ceratites
silberlingi
Bucher, 1992 †
(FOSSIL)

Ceratites
spivaki
(McLearn, 1946 †)
(FOSSIL)

Ceratites
visvakarma
(Diener, 1913 †)
(FOSSIL)

Ceratites
voiti
(Oppel, 1863 †)
(FOSSIL)

Ceratites
vyasa
(Diener, 1897 †)
(FOSSIL)

Ceratites
congressensis
Bucher, 1992 †
(FOSSIL)

Ceratites
dieneri
Tozer, 1994 †
(FOSSIL)

Ceratites
humi
(McLearn, 1969 †)
(FOSSIL)

Ceratites
liardensis
Tozer, 1994 †
(FOSSIL)

Ceratites
minor
Tozer, 1994 †
(FOSSIL)

Ceratites
pelletieri
(McLearn, 1969 †)
(FOSSIL)

Ceratites
silberlingi
Bucher, 1992 †
(FOSSIL)

Ceratites
spivaki
(McLearn, 1946 †)
(FOSSIL)

Ceratites
visvakarma
(Diener, 1913 †)
(FOSSIL)

Ceratites
voiti
(Oppel, 1863 †)
(FOSSIL)

Ceratites
vyasa
(Diener, 1897 †)
(FOSSIL)

Ceratites
congressensis
Bucher, 1992 †
(FOSSIL)

Ceratites
dieneri
Tozer, 1994 †
(FOSSIL)

Ceratites
humi
(McLearn, 1969 †)
(FOSSIL)

Ceratites
liardensis
Tozer, 1994 †
(FOSSIL)

Ceratites
minor
Tozer, 1994 †
(FOSSIL)

Ceratites
pelletieri
(McLearn, 1969 †)
(FOSSIL)

Ceratites
silberlingi
Bucher, 1992 †
(FOSSIL)

Ceratites
spivaki
(McLearn, 1946 †)
(FOSSIL)

Ceratites
visvakarma
(Diener, 1913 †)
(FOSSIL)

Ceratites
voiti
(Oppel, 1863 †)
(FOSSIL)

Ceratites
vyasa
(Diener, 1897 †)
(FOSSIL)

Chiratites
retrospinosus
Monnet & Bucher, 2005 †
(FOSSIL)

Favreticeras
ransomei
(Smith, 1914 †)
(FOSSIL)

Favreticeras
rieberi
Bucher, 1992 †
(FOSSIL)

Favreticeras
wallacei
Bucher, 1992 †
(FOSSIL)

Frechites
chischa
Tozer, 1967 †
(FOSSIL)

Frechites
chischeformis
Konstantinov, 1991 †
(FOSSIL)

Frechites
darkiensis
Arkadiev & Vavilov, 1989 †
(FOSSIL)

Frechites
hamatus
Tozer, 1994 †
(FOSSIL)

Frechites
kindlei
McLearn, 1969 †
(FOSSIL)

Frechites
laqueatus
(Lindstroem, 1865 †)
(FOSSIL)

Frechites
lenaensis
Konstantinov, 1991 †
(FOSSIL)

Frechites
nevadanus
(Mojsisovics, 1888 †)
(FOSSIL)

Frechites
occidentalis
(Smith, 1914 †)
(FOSSIL)

Frechites
laptevi
A.M. Popov, 1961 †
(FOSSIL)

Frechitoides
migayi
(Kiparisova, 1958 †)
(FOSSIL)

Frechitoides
olenekensis
Konstantinov, 1987 †
(FOSSIL)

Gymnotoceras
hersheyi
Smith, 1914 †
(FOSSIL)

Gymnotoceras
spurri
Smith, 1914 †
(FOSSIL)

Gymnotoceras
tuberculatum
A.M. Popov, 1961 †
(FOSSIL)

Gymnotoceras
blakei
(W.M. Gabb, 1864 †)
(FOSSIL)

Gymnotoceras
ginsburgi
Bucher, 1992 †
(FOSSIL)

Gymnotoceras
inflatum
Konstantinov, 1991 †
(FOSSIL)

Gymnotoceras
mimetus
Monnet & Bucher, 2005 †
(FOSSIL)

Gymnotoceras
olenekense
Dagys & Konstantinov, 1986 †
(FOSSIL)

Gymnotoceras
praecursor
Bucher, 1992 †
(FOSSIL)

Gymnotoceras
rotelliformis
(F.B. Meek, 1877 †)
(FOSSIL)

Gymnotoceras
tasaryense
Konstantinov, 1991 †
(FOSSIL)

Gymnotoceras
weitschati
Monnet & Bucher, 2005 †
(FOSSIL)

Gymnotoceras
zvetkovi
Konstantinov, 1991 †
(FOSSIL)

Gymnotoceras
beckeri
Smith, 1914 †
(FOSSIL)

Gymnotoceras
beachi
McLearn, 1946 †
(FOSSIL)

Gymnotoceras
deleeni
McLearn, 1946 †
(FOSSIL)

Gymnotoceras
liardense
McLearn, 1946 †
(FOSSIL)

Hollandites
montisbovis
Smith, 1914 †
(FOSSIL)

Hollandites
asseretoi
Fantini Sestini, 1988 †
(FOSSIL)

Hollandites
macconnelli
(McLearn, 1946 †)
(FOSSIL)

Kocaelia
toulai
(Arthaber, 1914 †)
(FOSSIL)

Koninckites
evansi
Smith, 1932 †
(FOSSIL)

Koninckites
davidsonianus
(de Koninck, 1863 †)
(FOSSIL)

Koninckites
dimidiatus
Tozer, 1994 †
(FOSSIL)

Koninckites
gigas
(L. Waagen, 1895 †)
(FOSSIL)

Koninckites
kyokticus
Krafft, 1909 †
(FOSSIL)

Koninckites
lingyunensis
Chao, 1959 †
(FOSSIL)

Koninckites
lyellianus
(de Koninck, 1863 †)
(FOSSIL)

Koninckites
ovalis
(L. Waagen, 1895 †)
(FOSSIL)

Koninckites
radiatus
(L. Waagen, 1895 †)
(FOSSIL)

Koninckites
timorensis
Renz & Renz, 1948 †
(FOSSIL)

Koninckites
vetustus
(L. Waagen, 1895 †)
(FOSSIL)

Koninckites
volutus
(L. Waagen, 1895 †)
(FOSSIL)

Koninckites
tuberculatum
Smith, 1932 †
(FOSSIL)

Koninckites
vercherei
L. Waagen, 1895 †
(FOSSIL)

Koninckites
gantmani
A.M. Popov, 1961 †
(FOSSIL)

Koninckites
hubeiensis
F.S. Xu, 1988 †
(FOSSIL)

Koninckites
dolosus
Ermakova, 1981 †
(FOSSIL)

Koninckites
impressus
L. Waagen, 1895 †
(FOSSIL)

Koninckites
evolvens
L. Waagen, 1895 †
(FOSSIL)

Koninckites
kraffti
Spath, 1934 †
(FOSSIL)

Koninckites
bernoullii
Renz & Renz, 1948 †
(FOSSIL)

Koninckites
ensanus
Krafft, 1909 †
(FOSSIL)

Koninckites
yanjiaensis
F.S. Xu, 1988 †
(FOSSIL)

Koninckites
mushbachanum
(L. Waagen 1895 †)
(FOSSIL)

Nicholsites
parisi
Bucher, 1994 †
(FOSSIL)

Nicholsites
tozeri
(Bucher, 1988 †)
(FOSSIL)

Nicomedites
arthaberi
Tozer, 1994 †
(FOSSIL)

Nicomedites
barbarossae
F. Toula, 1896 †
(FOSSIL)

Nicomedites
caucasius
Shevyrev, 1968 †
(FOSSIL)

Nicomedites
moderatus
McLearn, 1948 †
(FOSSIL)

Nicomedites
osmani
F. Toula, 1896 †
(FOSSIL)

Nicomedites
tkhachensis
Shevyrev, 1968 †
(FOSSIL)

Nicomedites
yohi
Hsu, 1937 †
(FOSSIL)

Parafrechites
egorovi
Konstantinov, 1991 †
(FOSSIL)

Parafrechites
evolutus
Konstantinov, 1991 †
(FOSSIL)

Parafrechites
kharaulakhensis
Konstantinov, 1991 †
(FOSSIL)

Parafrechites
meeki
(Mojsisovics, 1888 †)
(FOSSIL)

Parafrechites
sublaqueatus
(Bytschkov, 1976 †)
(FOSSIL)

Phillipites
lawsoni
Diener, 1905 †
(FOSSIL)

Phillipites
ransomei
Diener, 1905 †
(FOSSIL)

Pleurofrechites
fellersi
Tozer, 1994 †
(FOSSIL)

Pleurofrechites
johnstoni
(Silberling & Nichols, 1982 †)
(FOSSIL)

Pleurofrechites
lineatus
Tozer, 1994 †
(FOSSIL)

Pleurofrechites
subsidens
Tozer, 1994 †
(FOSSIL)

Pseudohollandites
eurasiaticus
Krystyn & Tatzreiter, 1991 †
(FOSSIL)

Pseudohollandites
marmarensis
(Arthaber, 1912 †)
(FOSSIL)